Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b71a5714e25269eef81323ff4be370fe5e3076bd4fb716bc5e76ff775ab7671a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^